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Clinic for Gastroenterology and Hepatology

Prof. Dr. med. Guido Gerken


Prof. Dr. med. Guido Gerken




Angelika Lammers


+49 (0) 201-723-36 10


+49 (0) 201-723-59 71



Deputy Director:

Prof. Dr. med. Ali E. Canbay


Facts and Figures

Ultrasound examinations (including duplex, endo, and contrast sonograms): 5,106

Diagnostic and therapeutic esophageal, stomach, and small intestine endoscopies: 2,204

Diagnostic and therapeutic endoscopies of the lower gastrointestinal tract: 981

Diagnostic and therapeutic endoscopies of the biliary system: 681

Conservative and interventional treatments of liver cell carcinoma patients: 375


Focus areas

The clinic treats patients nationwide and offers the entire spectrum of gastroenterology and hepatology. Special focus areas are the care of patients with chronic liver disease, including but not limited to pre- and post-liver transplant patients, the diagnosis and treatment of gastrointestinal and hepatic tumors, the treatment of chronic inflammatory intestinal diseases, as well as the inpatient treatment of HIV patients.

The central endoscopic suite offers the entire spectrum of diagnostic and interventional functional diagnosis and therapy. This includes innovative methods such as cholangioscopy, minilaparoscopy, duplex and contrast ultrasound, and endosonographically controlled fine-needle procedures.

The clinic cooperates closely with physicians' offices and physicians of other clinics, in both the West German Gastrointestinal Center and the Organ Center.


Special consultations

  • Acute and chronic liver disease
  • Outpatient center for liver transplants
  • Hepatocellular carcinoma
  • Inflammatory bowel disease
  • Research on functional bowel disease
  • Clinical hepato-gastroenterology
  • Chronic liver disease
  • Gastrointestinal disease
  • Gastrointestinal functionality and its disorders
  • Interventional endoscopy


Number of patients

Inpatient: 2,000

Outpatient: 4,060



The clinic employs 18 physicians including 8 internal medicine and gastroenterology specialists. There are 41 nurses, 35 of whom have advanced specialized training in the clinics fields.